PL258005A1 - Method of determining and controlling laser diode temperatures and system therefor - Google Patents

Method of determining and controlling laser diode temperatures and system therefor

Info

Publication number
PL258005A1
PL258005A1 PL25800586A PL25800586A PL258005A1 PL 258005 A1 PL258005 A1 PL 258005A1 PL 25800586 A PL25800586 A PL 25800586A PL 25800586 A PL25800586 A PL 25800586A PL 258005 A1 PL258005 A1 PL 258005A1
Authority
PL
Poland
Prior art keywords
determining
laser diode
system therefor
controlling laser
diode temperatures
Prior art date
Application number
PL25800586A
Original Assignee
Videoton Elekt Vallalat
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Videoton Elekt Vallalat filed Critical Videoton Elekt Vallalat
Publication of PL258005A1 publication Critical patent/PL258005A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06808—Stabilisation of laser output parameters by monitoring the electrical laser parameters, e.g. voltage or current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/024—Arrangements for thermal management
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Semiconductor Lasers (AREA)
  • Laser Beam Printer (AREA)
  • Electronic Switches (AREA)
PL25800586A 1985-02-19 1986-02-18 Method of determining and controlling laser diode temperatures and system therefor PL258005A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU59785A HUT39871A (en) 1985-02-19 1985-02-19 Method for measuring the temperature of semiconductor laser diode and circuit arrangement for carrying out thereof

Publications (1)

Publication Number Publication Date
PL258005A1 true PL258005A1 (en) 1986-10-21

Family

ID=10950352

Family Applications (1)

Application Number Title Priority Date Filing Date
PL25800586A PL258005A1 (en) 1985-02-19 1986-02-18 Method of determining and controlling laser diode temperatures and system therefor

Country Status (6)

Country Link
BG (1) BG46010A3 (en)
DD (1) DD243147A5 (en)
DE (1) DE3603548A1 (en)
HU (1) HUT39871A (en)
PL (1) PL258005A1 (en)
SU (1) SU1530104A3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4025497C2 (en) * 1990-08-11 1996-12-19 Hell Ag Linotype Method and circuit arrangement for correcting the radiation power of a laser diode
JP2546080B2 (en) * 1991-05-10 1996-10-23 富士通株式会社 Semiconductor laser control device
DE19617552A1 (en) * 1996-05-02 1997-11-06 Heidelberger Druckmasch Ag Method and device for regulating the temperature in a printing plate labeling unit working with laser light, in particular an offset printing machine
DE19828427A1 (en) * 1998-06-25 2000-02-10 Litef Gmbh Method to control wavelength of radiation emitting semiconductor component, e.g. superluminescence or laser diode, where emission wavelength depends both on its temperature and current
DE19839088B4 (en) * 1998-08-27 2006-08-03 Avalon Photonics Ltd. Apparatus and method for temperature stabilization of a semiconductor light emitting device
DE10042022A1 (en) 2000-08-08 2002-03-07 Infineon Technologies Ag Method and device for measuring the temperature of the laser-active region of a semiconductor laser diode
DE10244700A1 (en) * 2002-09-24 2004-04-01 Bktel Communications Gmbh Operating point stabilization for laser transmitter in optical telecommunications system provided by temperature regulation device controlled for maintaining required laser transmitter oscillation frequency

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215577A (en) * 1978-08-28 1980-08-05 Purdue Research Foundation Utilization of diodes as wide range responsive thermometers
DE2911858C2 (en) * 1979-03-26 1983-01-13 Robert Bosch Gmbh, 7000 Stuttgart Circuit for limiting the light output emitted by a semiconductor laser
GB2054949B (en) * 1979-07-26 1983-04-07 Standard Telephones Cables Ltd Cooling arrangement for laser diode
US4443695A (en) * 1980-01-25 1984-04-17 Canon Kabushiki Kaisha Apparatus for controlling the quantity of light
JPS57188894A (en) * 1981-05-18 1982-11-19 Hitachi Ltd Semiconductor laser device
JPS5994891A (en) * 1982-11-24 1984-05-31 Hitachi Ltd Semiconductor laser device

Also Published As

Publication number Publication date
BG46010A3 (en) 1989-09-15
DD243147A5 (en) 1987-02-18
HUT39871A (en) 1986-10-29
DE3603548A1 (en) 1986-10-02
SU1530104A3 (en) 1989-12-15

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